diff --git a/src/main/java/io/bioimage/modelrunner/bioimageio/download/DownloadTracker.java b/src/main/java/io/bioimage/modelrunner/bioimageio/download/DownloadTracker.java
index 2f0b0004..a1a67691 100644
--- a/src/main/java/io/bioimage/modelrunner/bioimageio/download/DownloadTracker.java
+++ b/src/main/java/io/bioimage/modelrunner/bioimageio/download/DownloadTracker.java
@@ -153,6 +153,7 @@ private DownloadTracker(String folder, TwoParameterConsumer<String, Double> cons
 		this.consumer = consumer;
 		this.remainingFiles = sizeFiles.keySet().stream().map(i -> new File(i)).collect(Collectors.toList());
 		this.downloadThread = thread;
+		this.consumer.accept(TOTAL_PROGRESS_KEY, 0.0);
 	}
 
 	
@@ -526,6 +527,8 @@ public static void printProgress(Thread downloadThread,
 				continue;
 			}
 			for (String kk : new String[] {select, DownloadTracker.TOTAL_PROGRESS_KEY}) {
+				if (kk.endsWith(EngineInstall.NBYTES_SUFFIX))
+					continue;
 				int nProgressBar = (int) (consumer.get().get(kk) * n);
 				String progressStr = new File(kk).getName() + ": [" 
 					+ ogProgressStr.substring(0, nProgressBar) + ogRemainingStr.substring(nProgressBar)
diff --git a/src/main/java/io/bioimage/modelrunner/versionmanagement/DeepLearningVersion.java b/src/main/java/io/bioimage/modelrunner/versionmanagement/DeepLearningVersion.java
index 719be511..004e2776 100644
--- a/src/main/java/io/bioimage/modelrunner/versionmanagement/DeepLearningVersion.java
+++ b/src/main/java/io/bioimage/modelrunner/versionmanagement/DeepLearningVersion.java
@@ -67,9 +67,6 @@ public class DeepLearningVersion
      * 	and implies that the user has manipulated wrongly the engines
      */
     public static DeepLearningVersion fromFile(File engineDir) throws IOException, IllegalStateException {
-    	if (!engineDir.isDirectory())
-    		throw new IOException("The file '" + engineDir.getAbsolutePath() + "' does not correspond "
-    				+ "to an existing directory.");
     	DeepLearningVersion dlVersion =  new DeepLearningVersion();
     	dlVersion.engineName = engineDir.getName();
     	dlVersion.allEnginesDir = engineDir.getParentFile().getAbsolutePath();